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ABOUT THIS IMAGE:

The Hubble Space Telescope has imaged the star field around the Cepheid variable V1 in M31. This two-color image shows individually resolved stars in the outer disk of the Andromeda Galaxy. The soft, brown swirls are dust lanes obscuring light from stars farther away from our line of sight. The blue cluster towards the upper right of the image contains massive young stars that are emanating intense ultraviolet light. The Cepheid variable, V1, the first Cepheid ever found outside of our own galaxy, is a moderate-looking star in the lower left of the image.